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A smoke detector is an electronic fire-protection device that automatically senses the presence of smoke as a key indicator of fire and crea
Question
A smoke detector is an electronic fire-protection device that automatically senses the presence of smoke as a key indicator of fire and creates a loud sound as a warning. In 3-5 sentences, describe what is happening inside a photoelectric smoke detector as soon as smoke enters it
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Physics
5 years
2021-08-11T14:44:14+00:00
2021-08-11T14:44:14+00:00 1 Answers
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Answer:
Photoelectric-type alarms aim a light source into a sensing chamber at an angle away from the sensor. Smoke enters the chamber, reflecting light onto the light sensor; triggering the alarm.
Explanation:
nfpa.org is the website with theanswer